.head{
    position: absolute;
    z-index: 10;
    width: 100%;
}
.banner {
    height: 680px;
    font-size: 100px;
  }
.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover; 
}

/* 轮播 */
.swiper-button-prev,.swiper-button-next{
    padding: 40px 20px;
    background: rgba(0,0,0,.3);
}

/* 云服务 */
.service{
    padding: 90px 0;
    width: 1080px;
    margin: 0 auto;
}
.service-top{
    text-align: center;
}
.service-top h1{
    line-height: 60px;
}
.service-top p{
    margin-bottom: 28px;
}
.service-top a{
    color: #1271ef;
}

.service-lei{
    margin-top: 34px;
}
.service-lei li{
    padding-bottom: 22px;
    width: 240px;
    box-shadow: 2px 2px 10px  #1271ef;
    margin-right: 34px;
}
.service-lei li:last-child{
    margin-right: 0;
}
.service-lei li h2{
    margin-left: 22px;
    line-height: 34px;
}
.service-lei li p{
    margin-left: 22px;
    line-height: 24px;
    margin-bottom: 22px;
}
.service-lei li a{
    margin-left: 22px;
    color: #1271ef;
}

/* API服务与分类 */
.APIclass{
    background:  url(../images/more-api-bg.svg) center top no-repeat #f8f9fb;
    
}
.APIclass .container{
    padding: 90px 0;
}
.APIclass-top{
    text-align: center;
}
.APIclass-top h1{
    line-height: 60px;
}
.APIclass-top p{
    margin-bottom: 28px;
}
.APIclass-top a{
    color: #1271ef;
}
.APIclass-lei{
    margin-top: 34px;
}
.APIclass-lei li{
    width: 225px;
    height: 138px;
    box-shadow: 2px 4px 6px 0  #1271ef;
    margin-right: 18px;
    margin-bottom: 16px;
}
.APIclass-lei li a:hover{
    color: #fff;
}
.APIclass-lei li a{
    width: 100%;
    height: 100%;
    display: block;
}
.APIclass-lei li:nth-child(5n){
    margin-right: 0;
}
.APIclass-lei li img{
    margin: 34px 0 12px 96px;
}
.APIclass-lei li p{
    text-align: center;
}
.APIclass-bottom a{
    color: #1271ef;
}
.APIclass-bottom{
    text-align: center;
}

/* APIMaster */
.APIMaster{
    padding: 90px 0;
}
.APIMaster-top{
    text-align: center;
}
.APIMaster-top h1{
    line-height: 60px;
}
.APIMaster-top p{
    margin-bottom: 28px;
}
.APIMaster-top a{
    color: #1271ef;
}
.APIMaster-main ul{
    margin-top: 45px;
    margin-left: 95px;
}
.APIMaster-main ul .line{
    width: 4px;
    height: 24px;
    background-color: #1271ef;
    display: block;
    margin: 5px 15px 0 0 ;
}
.APIMaster-li .fs16{
    padding-left: 20px;
    margin-bottom: 8px;
}
.APIMaster-main .p1{
    background: url(../images/master-item-icon-01.svg) no-repeat;
}
.APIMaster-main .p2{
    background: url(../images/master-item-icon-02.svg) no-repeat;
}
.APIMaster-main .p3{
    background: url(../images/master-item-icon-03.svg) no-repeat;
}
.APIMaster-main .p4{
    background: url(../images/master-item-icon-04.svg) no-repeat;
}
.APIMaster-main .p5{
    background: url(../images/master-item-icon-05.svg) no-repeat;
}
.APIMaster-main .p6{
    background: url(../images/master-item-icon-06.svg) no-repeat;
}
.APIMaster-main li{
    height: 80px;
    margin-top: 10px;
    background: #f8f9fb;
    padding-top: 20px;
    padding-right: 100px;
}

/* 助力行业巨头 */

.cheat-top{
    text-align: center;
    padding-bottom: 96px;
}
.cheat-top h1{
    line-height: 60px;
}
.cheat-top a{
    color: #1271ef;
}
.cheat-main{
    height: 270px;
    background: #f8f9fb;
    position: relative;
}
.cheat-main img{
    height: 290px;
    width: 582px;
    position: relative;
    top: -20px;
}
.cheat-center{
    width: 1150px;
    margin: 0 auto;
    opacity: 0;
    position: absolute;
    top: 0;left: 50%;
    transform: translateX(-50%);
    transition: all 1s;
}
.opc{
    opacity: 1;
    z-index: 10;
}
.cheat-text{
    width: 530px;
    margin-left: 38px;
    position: relative;
}
.cheat-text img{
    width: 50px;
    height: 40px;
}
.cheat-text .title{
    line-height: 25px;
    margin-top: 20px;
    text-align: justify;
}
.cheat-text .bottom{
    position: absolute;
    right: 0;
    top: 230px;
}
.cheat-text span{
    width: 13px;
    height: 4px;
    background: #1271ef;
    position: absolute;
    bottom: 4px;
    left: -20px;
}


/* 数据安全 */
.safe{
    padding: 90px 0;
}
.safe-top{
    text-align: center;
}
.safe-top h1{
    line-height: 60px;
}
.safe-top p{
    margin-bottom: 28px;
}
.safe-top a{
    color: #1271ef;
}
.safe-ul{
    margin-left: 18px;
}
.safe-list{
    width: 160px;
    margin-right: 40px;
    text-align: center;
}
.safe-list:nth-child(6){
    margin-right: 0;
}
.safe-list p{
    margin-top: 20px;
}
.safe-ul .pad{
    margin-top: 20px;
}

/* 体验 */
.login-register {
    height: 241px;
    padding-top: 75px;
    background: url(../images/login-register-bg.svg) #1271ef;
    box-sizing: border-box;
    border-bottom: 1px solid #efefef;
}
.tcenter{
    position: relative;
}
.login-register .title{
    color: #fff;
    text-align: center;
}
.link-btn{
    color: #fff;
    border: 1px solid #fff;
    padding: 16px 40px;
    position: absolute;
    top: 60px;left: 50%;
    transform: translateX(-50%);
}

/* 尾部 */
.item-title{
    font-size: 14px;
    font-weight: bold;
    line-height: 72px;
}
.item-link{
    line-height: 28px;
}
.footer-item{
    margin-right: 80px;
}
.footer-btm{
    margin-top: 40px
}
.footer-btm a{
    margin-right: 10px;
}
.wechat{
    margin-top: 30px;
    text-align: right;
}
.wechat .title{
    font-size: 16px;
    font-weight: bold;
}
.wechat .name{
    margin-top: 10px;
    margin-bottom: 50px;
}
.footer{
    padding-bottom: 20px;
}
/* 返回顶部 */
.return-top{
    width: 40px;
    height: 40px;
    position: fixed;
    left: 50%;
    margin-left: 650px;
    bottom: 20px;
    background: url(../images/returntopicon.jpg) no-repeat;
    background-position: -163px -56px;
    border-radius: 50%;
    cursor: pointer;
    display: none;
}
.return-top:hover{
    background-position: -163px -98px;
}
